import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
  {
    path: '/Home',
    name: 'Home',
    component: Home,
    redirect:'/Welcome',
    children:[
    {path:'/Welcome',component:Welcome},
    {path:'/Users',component:Users},
    {path:'/Rights',component:Rights},
    {path:'/roles',component:Roles},
    {path:'/categories',component:Cate},
    {path:'/params',component:Params},
    {path:'/goods',component:List},
    {path:'/goods/add',component:Add},
    {path:'/orders',component:Order},
    {path:'/reports',component:Report},
    ]
   },
  {
    path: '/Login',
    name: 'Login',
    component: Login
  },
  {
    path:'/',
    redirect:'/Login'
  }
]

const router = new VueRouter({
  routes
})

//挂载路由守卫
router.beforeEach((to,from,next)=>{
//to代表将要访问的路劲
//from代表从哪个路劲跳转而来
//next是一个函数表示放行，next('/login')代表强制跳转,next()代表直接放行
if(to.path==='/login')return next()
//先获取token
const tokenStr = window.sessionStorage.getItem('token')
if(!tokenStr) return next('/login')
next()
})
export default router
